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Job Site Diaries

Job Site Diaries

Air Sealing with Owens Corning's new Energy Complete system

comments (0) March 24th, 2011 in Blogs
Matt Risinger Matt Risinger, Blogger

Video Length: 10:34
Produced by: Matt Risinger


Build Tight, Ventilate Right. 

That's a motto I took from my favorite building science teacher Mark LaLiberte.  This motto is important for energy efficiency & indoor air quality goals.  In my houses I'm striving to build the tightest air envelope possible.  Then, I'll bring in the fresh air when it's needed and send it through our HVAC system so it can be filtered and distributed on a regular basis.  I've heard people say that modern houses are too tight.  I say this argument is boloney.  Why would we want our homes to be intentionally leaky?  Do we want pollen-filled humid air to just leak in under walls/doors/windows/outlets any time the wind blows?  No, we want a super-tight house that resists the forces of nature so we can let our HVAC system and our insulation systems work properly.

Better than spray foam?

In most of my homes over the last few years I've been using 100% spray foam for insulation which does a fantastic job of air sealing the stud cavities & attics.  However, one area that can use improvement is the wood to wood connections & wood to concrete connections.  In the past I've had my framing carpenters use Sill Sealer under bottom framing plates for air sealing along with a bead of construction adhesive but it's not 100% foolproof.  In this video you'll see where Owens Corning's new Energy Complete system has a leg up on spray foam.  -Matt Risinger



posted in: Blogs, energy efficiency, framing, insulation, air sealing, fiberglass, Indoor Air Quality, Owens Corning, Energy Complete